#BB3A31#BB3A31

#BB3A31 is a mid, vivid red. Relative luminance 0.138; OKLCH L 53.7% C 0.167 H 28.1°. Best body text is #FFFFFF at 5.58:1 contrast (WCAG AA passes).

Color values

HEX	#BB3A31
RGB	rgb(187, 58, 49)
HSL	hsl(4, 58%, 46%)
HSV	hsv(4, 74%, 73%)
CMYK	cmyk(0%, 69%, 73.8%, 26.7%)
CIE-LAB	lab(43.97, 51.11, 34.85)
CIE-LCH	lch(43.97, 61.86, 34.28°)
OKLab	oklab(53.66% 0.1473 0.0785)
OKLCH	oklch(53.66% 0.167 28.1)
XYZ	xyz(22.5635, 13.8160, 4.3838)
Luminance	0.1381 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#BB3A31 #31B2BB

analogous

#BB316D #BB3A31 #BB7F31

triadic

#BB3A31 #31BB3A #3A31BB

tetradic

#BB3A31 #6DBB31 #31B2BB #7F31BB

square

#BB3A31 #6DBB31 #31B2BB #7F31BB

split-complementary

#BB3A31 #31BB7F #316DBB

monochromatic

#5A1C18 #8B2B24 #BB3A31 #D35E56 #E08D87

Accessibility & contrast

On white

5.58

#BB3A31 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.76

#BB3A31 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #BB3A31

5.58:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##BB3A31	#FFFFFF	#000000	##FFFFFF
##BB3A31	1.00	5.58	3.76	5.58
#FFFFFF	5.58	1.00	21.00	1.00
#000000	3.76	21.00	1.00	21.00
##FFFFFF	5.58	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5F562F

Deuteranopia (green-blind)

#7F722C

Tritanopia (blue-blind)

#CE0F39

Achromatopsia (no color)

#686868

Design tokens & code

CSS

--color: #bb3a31;
/* rgb */ color: rgb(187, 58, 49);
/* oklch */ color: oklch(53.7% 0.167 28.1);

Tailwind

colors: {
  custom: {
    50: '#d8786a',
    500: '#bb3a31',
    950: '#000000',
  },
}

SCSS

$custom: #bb3a31;
$custom-light: #d8786a;
$custom-dark: #000000;

JSON

{
  "hex": "#bb3a31",
  "rgb": {
    "r": 187,
    "g": 58,
    "b": 49
  },
  "hsl": {
    "h": 3.913,
    "s": 58.475,
    "l": 46.275
  },
  "oklch": {
    "l": 0.53658,
    "c": 0.16693,
    "h": 28.1
  },
  "luminance": 0.13813
}

Semantic roles & 50–950 ramp

primary

#BB3A31

secondary

#7FC4C9

accent

#D8E246

background

#FEF7F6

surface

#FCEEEB

border

#D5C9C6

text

#160906

muted

#847B7A

Preview Lab

Preview with #BB3A31

Body copy rendered with the generated semantic roles for this colour.

Preview Lab → · Contrast checker → · Palette generator →